Compatible with: HP LaserJet: 9000, 9000dn, 9000hdn, 9000hnf, 9000hns, 9000Lmfp, 9000mfp, 9000n, 9040, 9040dn, 9040mfp, 9040n, 9050, 9050dn, 9050mfp, 9050n, M9040 MFP, M9050 MFP Laserjet Managed E72535 Professionally remanufactured by LD Products Page Yield*: 30,000* For best results, store in a cool, dry place. Use within 3 years of purchase for optimal performance. *Average cartridge Page Yield* in accordance with ISO 19752. *at 5% coverage (ISO/IEC standard) MICR toners are specifically designed for printing professional checks, made possible by a special iron in the toner that allows the check to be detected and passed through a banks scanning system Please contact us first with any product issues. We want all of our customers to be happy because happiness matters.